GUO, Bai-Ni; QI, Feng. An explicit formula for Bell numbers in terms of Stirling numbers and hypergeometric functions. Global Journal of Mathematical Analysis, [S. l.], v. 2, n. 4, p. 243–248, 2014. DOI: 10.14419/gjma.v2i4.3310. Disponível em: https://sciencepubco.com/index.php/GJMA/article/view/3310.. Acesso em: 28 apr. 2024.